<!DOCTYPE html>
<html lang='en'>
<head>
  <meta charset='UTF-8'>
  <title>login</title>
</head>
<body>
<form method="post" action="http://192.168.17.144:30000/"/>
    <label>user name:</label>
    <input type="text" name="userName"/>
    <br>
    <label>password:</label>
    <input type='password' name='password'/>
    <br>
    <label>&nbsp;</label>
    <input type='submit' value='login'>
  </form>
  <div>${out}</div>
</body>
</html>
